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|Type:||Artigo de periódico|
|Title:||Compatibilization Of Pvdf/ps Blends With Styrene And Methyl Methacrylate Random And Blockcopolymers|
|Author:||Siqueira Denise Freitas|
Nunes Suzana Pereira
|Abstract:||The performance of styrene-methyl methacrylate (SMMA) random and block copolymers and poly(methyl methacrylate) (PMMA) as compatibilizers for poly(vinylidene fluoride) (PVDF)/polystyrene (PS) blends was investigated. The morphology of compatibilized interfaces with block SMMA copolymers containing 50% of S in composition shows spherical structures due to micelles formation. A smooth interface is observed when random SMMA with the same S content is located at the interface. When observed by transmission electron microscope, the addition of 2% of this block copolymer to the immiscible blend of PVDF/PS has the same compatibilizing effect as that obtained by the addition of 50% homopolymer PMMA.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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